Public bug reported:
[Impact]
AMD request to backport USB4 support patches.
[Fix]
Add some quirks/fixes for AMD USB4 controller.
[Test]
I don't have the hardware, so it requires AMD to validate the backport.
[Where problems could occur]
- The enumeration of switch ports is changed, the effect is unknown.
- The QUIRK_AUTO_CLEAR_INT is only applied to Intel TBT controller. I've
heard that Asmedia also produces TBT controllers but I've never seen
one. So the change will affect other vendor's TBT controller, if they
exist.
So only apply it to Impish, Unstable and OEM-5.13 to limit regression
risk.
It doesn't break Intel Thunderbolt per my limited testing.
** Affects: linux (Ubuntu)
Importance: Low
Status: Confirmed
** Affects: linux-oem-5.13 (Ubuntu)
Importance: Undecided
Status: New
** Affects: linux (Ubuntu Focal)
Importance: Undecided
Status: Won't Fix
** Affects: linux-oem-5.13 (Ubuntu Focal)
Importance: Low
Status: Confirmed
** Affects: linux (Ubuntu Impish)
Importance: Low
Status: Confirmed
** Affects: linux-oem-5.13 (Ubuntu Impish)
Importance: Undecided
Status: New
** Also affects: linux-oem-5.13 (Ubuntu)
Importance: Undecided
Status: New
** Also affects: linux (Ubuntu Impish)
Importance: Undecided
Status: New
** Also affects: linux-oem-5.13 (Ubuntu Impish)
Importance: Undecided
Status: New
** Also affects: linux (Ubuntu Focal)
Importance: Undecided
Status: New
** Also affects: linux-oem-5.13 (Ubuntu Focal)
Importance: Undecided
Status: New
** Changed in: linux (Ubuntu Focal)
Status: New => Won't Fix
** Changed in: linux (Ubuntu Impish)
Status: New => Confirmed
** Changed in: linux (Ubuntu Impish)
Importance: Undecided => Low
** Changed in: linux-oem-5.13 (Ubuntu Focal)
Status: New => Confirmed
** Changed in: linux-oem-5.13 (Ubuntu Focal)
Importance: Undecided => Low
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https://bugs.launchpad.net/bugs/1941036
Title:
Add USB4 support for AMD SoC
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